Machine for making bird-targets



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MACHINE FOR MAKING BIRD TARGBTS.

No. 400,870. Patented Apr. V02, 1880.

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MACHINE FOB. MAKING BIRD TAEG-ETS.

No. 400,870. Patented Apr. 2, 1889.

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MAGHINE POR MAKING BIRD TARGBTSV. No. 400,870.

UNITED STATES PATENT OFFICE.

MARSHAL E. PONTIOUS, OF CLEVELAND, OHIO.

MACHINE FOR MAKING BIRD-TARGETS.

SPECIFICATION forming part of Letters Patent No. 400,870, dated April 2, 1889.

Application filed May 3l. 1888.

To all whom it may concern:

Be it known that I, MARsHAL E. PoN'rIoUs, of Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Machines for Making Bird-Targets; and I do hereby declare the following to be a full, clear, and exact description of thel invention, such as will enable others skilled in the art to which it pertains to make and use the same.

My invention relates to an improved machine for making bird-targets; and it consists in certain features of construction and in combination of parts, hereinafter described, and pointed out in the claims.

In the accompanying drawings, Figure l is a plan. Fig. 2 is a plan with the bed removed. Fig. 3 is a side elevation, in longitudinal section, through the center of the machine. Fig. 4 is an elevation in section of the dogging device. Fig. 5 is an elevation, partly in section,

in detail, of the collar and lever for actuating" the friction-clutch. Figs. 6, 7, and 8 are side elevations, respectively, of cam-disks C2, C3, and C4.

A represents a bed-plate mounted on legs a. Suitable hangers, A', depend from the bed for supporting, respectively, shafts B, C, and D, these shafts being arranged crosswise of the bed, substantially as shown in Fig. 2. The driving-shaft B is provided with cone-pulley b for receiving the driving belt, by means of which the speed of the machine is regulated. On shaft B is mounted pinion B', engaging-gear C' of shaft C. On this latter shaft are also mounted cam-disks C2, C8, and C4. On this shaft is also mounted a friction-clutch, the male memberE of which is keyed fast to the shaft C, the other member, E', being mounted loosely on the shaft. Member E' of the clutch is integral or rigidly attached to band-wheel E2. The hub of members E and E2 has a circumferential groove, in which fits loosely the collar e, this collar being made in halves and bolted together substantially as shown in Fig. 5. This collar has laterally-projecting trunnions e', that are pivoted in rings c2, the latter being rigidly secured to the two sections of lever F. This lever is pivoted at f, and the free end of the lever is connected with spring F'. The tension of this spring is sui serial No. 275.611. (No model.)

cient to operatively close the friction-clutch. y

The members of this clutch are held apart against the action of the spring during threequarters of a revolution of shaft C by means of an arm,F2, and roller f' ,the arm beingconnected with lever F and the roller traveling on the laterally-projecting rim of disk C4. This rim is cut away at c, leaving a notch or depression that extends one quarter way` around the disk, and when roller f is opposite this notch the tension of spring F' operatively closes the clutch, so that band-wheel E' makes a quarter-revolution for each entire revolution of shaft C. A belt, f2, leads from band-wheel E2 to the band-wheel d, these bandwheels being of equal diameter and the latter being mounted on shaft D'. On this shaft is also mounted beveled pinion d', the latter engaging beveled gear g. This gear is keyed fast to the upright shaft G. This shaft extends up through the bore A2 of hub A3 of the bed. On the upper end of this shaft is mounted the intermittently-revolving table H, the under side of the table engaging the upper end of hub A2. On the face of the table are a series of molds, h, in which the birdtargets are compressed by means of a dropplunger, I. Any number of these molds may be placed on atable, (more or less,) according to the size of the machine. In Fig. l sixteen such molds are shown, these molds being placed at equal intervals in concentric order with the axis of the table. The revolving table must make one revolution while shaft C is making as many revolutions as there are molds on the table, and in the present instance the shaft would make sixteen revolutions while the table was making one revolution. By separating the members of the friction-clutch in the manner already described the table remains at rest for a moment while the plunger is doing its work.

The mechanism for operating plunger I is as follows:

J is a standard secured to the upper face of the bed, this standard having a lateral arm, J', projecting over the table. Through suitable holes in this arm reciprocate the plunger I and rod I', these two members being rigidly connected by tie-bars I2. The lower end of rod I' is provided with a roller, t', that travels IOO on the face of cam C, Rod I and the attached plunger are gradually elevated by means ot' the cam until the highest point of the cam is reached, after which the plunger and rod lfall by gravity, the end of the plunger compressing the material in the mold, and thereby shaping the bird-target.

To keep the table in accurate adjustment with the mold direct-ly under the plunger, I provide a series of conical holes, 71,', on the under side of the table corresponding Wit-h the molds, and a dog, K, having a conical end for successively engaging these holes when the table is in position and one of the molds directly under the plunger. Mechanism for operating the dog is shown more clearly in Fig. 4. The lower end of the dog is pivoted to lever L, the lattei` being fulcrumed at m to hanger M and the dog voperating through a hole in the bed. The free end of lever L is 'provided With roller l, the latter traveling on the face of cam-disk C2. A spring, L', is connected with the free end of lever L for depressing the saine, and thereby elevating the dog Whenever notch C ot the cam-disk is in position to receive roller Z. The parts are s0 timed that the dog engages a hole, 7L', in the table just as the friction-clutch is opened and the table is in position with one of its molds under the plunger, and the dog remains in position holding the table stationary While the plunger is doing its Work, after which, by the action of cam C2, the dog is Withdrawn from its engagement with the table, and this occurs just as the friction-clutch is closed for revolving the table.

There is no special means or mechanism shown for feeding the material to the molds or for removing the target from the molds, such mechanism being reserved for a separate application for Letters Patent. The machine is entirely operative, however, with han d-labor for feeding the material to the mold and for removing the target, and with su ch hand-labor the machine is a great advance in the art of making bird-targets.

W'hat I claim l. The combination, with a table carrying a series of molds and gearing for imparting a rotary motion to said table, of a shaft, a clutch thereon, driving mechanism connected with the loose sliding section of the clutch for actuating the table-gearing, and devices for automatically opening and closing the clutch t0 intermittingly rotate the table, substantially as set forth.

2. The combination, with a table, gearing for rotating the same, molds, friction-clutch, motion -transmitting devices connecting the taliile-gearing and sliding section of the clutch, and a lever for sliding one section 01": the clutch, of a spring tor actuating the lever in one direction and a cam for moving the lever in the opposite direction, the parts being timed to intermittingl y rotate the table the distance from one mold to another, substantially as set forth.

3. In a bird-target machine, the combination, with a rotary table carrying molds, a constantly-rotating shatthaving a clutch thereon, and power-transmitting devices actuated by the loose section 0i' the clutch for rotating the table, of a plunger actuated by the constantlyrotating shaft, and a dog for locking the table against movement, also actuated by sai d shaft, substantially as set forth.

In testimony whereof I sign this specification, in presence 0f two witnesses, this 20th day of February, 1888.

MARSIIAL E. PONTIOUS.

VitIiesses:

(HAs. H. Donna,

ALBERT E. LYNCH. 

